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Serving Western Washington
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Medina Boulder Retaining Wall

A rugged wall of large stacked boulders that stabilizes steep PNW slopes with a bold, naturalistic look and excellent drainage.

Medina Boulder Retaining Wall

Boulder retaining walls use large quarried rocks placed by machine to hold back steep grades common on Western Washington hillside lots. The generous gaps between boulders allow groundwater to seep through freely, which is a major advantage in our rain-heavy region, though we still add gravel backfill and drainage behind the wall on taller installations. Each boulder is nested and keyed into the one below so the wall resists sliding even in saturated soil. The finished wall reads as a natural rock outcropping and needs almost no maintenance.

Local Service Information

Medina

An affluent residential city on the east shore of Lake Washington.

County: King County
ZIP Codes Served: 98039
Neighborhoods: A uniform residential community with no distinct neighborhoods
Nearby Communities: Bellevue, Clyde Hill, Hunts Point
Common Property Types: Predominantly established single-family residential properties, many on larger landscaped lots; commercial development is very limited.
Local Tree & Landscape Notes: Shoreline setting with conifers, bigleaf maple, and ornamental species; coastal wind exposure, shoreline regulations, and access are common considerations for scheduling and permitting.
Permit Considerations: Permit requirements vary depending on tree size, species, protected areas, shoreline regulations, critical areas, and local municipal code. Always verify current requirements with the local jurisdiction before beginning work.
Climate: Marine west coast climate typical of the Puget Sound region: mild, wet winters and warm, relatively dry summers, with most rainfall from fall through spring. Occasional wind, snow, and ice events and seasonal soil saturation influence tree health and the timing of tree work.

Medina sits on the Lake Washington shoreline just west of Bellevue, and landscaping here reflects its reputation as a quiet, entirely residential enclave of established homes on generously sized, well-tended lots. Properties tend to carry mature plantings and thoughtfully designed grounds, so the work often centers on refining and maintaining what decades of care have already built rather than starting from bare ground. Neighboring Clyde Hill and Hunts Point share this same lakeside, garden-forward character, and homeowners generally expect a polished, cohesive look across every corner of the yard.

Because Medina is almost exclusively single-family residential with very little commercial development, landscaping demand leans toward high-touch upkeep of private grounds. Owners of these larger landscaped lots frequently want ongoing maintenance, seasonal refreshes, and careful pruning that keeps sightlines to the water and the surrounding gardens looking intentional year after year.

Site Conditions: The lakeside setting near the Lake Washington shoreline moderates temperature swings, and soils across Medina’s established lots are often a mix of native glacial till and years of amended garden beds. Drainage varies with the gentle slopes toward the water, and shade from mature trees means many yards blend sunny lawn areas with cooler, moist planting pockets.
Seasonal Considerations: Spring in Medina calls for bed cleanup, fresh mulch, and dividing perennials before the growing season accelerates. Summer focuses on measured irrigation and lawn care through the region’s dry stretch, while fall brings heavy leaf management under the many mature trees and a round of structural pruning. Winter is the time for dormant-season tree work and planning next year’s plantings.
Common Project Types: Typical projects on these established lakeside lots include garden bed renovations, lawn restoration, mature-tree pruning, and refreshed pathways or patios that complement existing architecture. Screening plantings for privacy between neighboring homes near Clyde Hill and Hunts Point are also common, along with seasonal color rotations in prominent entry beds.
Property Styles: Medina’s parcels are predominantly larger, established single-family lots with mature landscaping and long-standing garden layouts. Many back toward the lake or sit among tall trees, so grounds tend to be private, layered, and designed to feel settled rather than newly installed, with limited commercial property nearby.
Local Materials & Plants: Plantings well suited to this marine-moderated setting include rhododendrons, Japanese maples, ferns, and hydrangeas that thrive in the dappled shade of established yards. Evergreen screening such as arborvitae or laurel supports privacy, while natural stone and bark mulch echo the polished, Pacific Northwest garden style common along the Lake Washington shoreline.
Planning Your Project: Planning in Medina benefits from scheduling major pruning and renovation work in the dormant months, then reserving the growing season for maintenance and detail work. Because lots are large and mature, phasing projects across seasons keeps established plantings healthy; any tree or shoreline-adjacent work should be reviewed in a general way for local requirements before starting.

If your Medina property could use attentive care that respects its established gardens and lakeside setting, reach out to talk through your goals and map a landscaping plan suited to your lot.

Benefits

Excellent free-draining performance in wet climates; Handles steep slopes and heavy loads; Bold, natural rock-outcrop appearance; Minimal long-term maintenance; Very long lifespan with no mortar to fail

Process

1) Excavate and bench the slope; 2) Compact a stable gravel base trench; 3) Set and key the largest base boulders; 4) Stack upper boulders while adding gravel backfill and drainage; 5) Blend the top boulders into finished grade and plantings

Ready to get started?

Contact us for a free boulder wall assessment of your slope.
Call: 206-593-3336